Meat chopping machine



0d 10 1933 F. AEscHBAcH 1,929,864

MEAT cHoPING MACHINE Filed Nov. 9, 1931 I vf-ff'mieqrichnesciibach,Aarau, switzerland L fgnppli'catnn November 9,1931, seriaiNo. 573,978,

Y ab;

` 1Patented Oct. 10, 1933 PATE-NT 'er1-fret and in Switzerland vNovember11, 1930, and` GermanyNovember 11, 1930 l v tions/in 'thereceptacle forthe `meat which ar-` v rangement renderstheiy removal of ythe chopped,meat 'diflicilt theoperator being obliged to extri-v lo4 cateethe'samebymeans ofan'implement.

. {This disadvantage is cbviated in the meat chop'- pingmachineaccording to" the present invention by` arrangingithe knives; inoverhanging disposi- Vtion onfthe motorshaftand adapting lthe motor 16v`to belifted. together with Vthe knivesso that the y .knivesclearf thereceptacle which is detachably connected to its support.y Y

- In thefaccompanying" drawing a construction'al form of'lthe inventionis illustrated, by way of l 'auf example only, in which g Fig. ljshows afrontrelevation of the machine, Y Fig. k21s a vertical section on theline II-II in Fig.1.- Fig. 3 is Va top plan' View of the machine, andFig. 4is ,a side elevation of the machine showing the motor in a raisedposition.

vOn the forward overhanging end of the vshaft Y 2 of the motor 3 anumberof circular knife blades '.1 are arranged. The knives 1 cooperate rwitha '.3111 circular receptacle 4 for choppingV the meat, the

receptacle being'detachably lconnected to its supporting member 5 bymeansofv a thumb nut 6. Thesupporting member 5v is axially displaceablyaccommodated in asleeve '7 by means of a pin 5' 3Q which is preventedfrom VAturning in the sleeve `-byv stop men'iberafasl Astuds '7'.v Thesleeve 7 is `Arotatably mounted in the frame S'of the machine and formsthehub of a bevel Vgear wheel having a toothed rim 9 which meshes withabevel gear Y' 4Q wheel 10 secured to/ashaft 11.l By means of this bevelgear drive the receptacle 4 is imparted a turning motion fromthe motor.vThe kvertical position of the 'supporting member 5 and thus that of thereceptacle 4 isadjustable by means -46 of the screw 9. The shaft 11 isactuated by the motor 3.y by the intermediary of' a friction driveincluding the friction wheels I2 and 13. The motor 3 is supported by abase 14E-which is provided with a downwardly projecting stem or 50 shank15 which is guided in .a sleeve 16 of the machine frame 8.." The shankis provided with gear teethml' for'cooperation with a pinion 1 8,

' vthe two parts forming a rack gear. The pinion 18 is secured to ashaft 19 which is radapted to be 5.5.' rotated by means of a hand crank20.` By turnknivesremainfat all .times in their'working posito projectupwardly therefrom, so thatby means ftion drive are urged against eachotherwith just ing the handcrank 20, the shank 15,the base 14, the motor3 and theknivesl arenraised Vin'unison into the position shownfin Fig.Y4, whereby( the knivesare moved beyondl the receptacle4- vIn order. toavoid that in risin'gthe'shank 15v interfere with the shaft 1l, theformeris provided with aslot. 21 for receivingthershaft 11.v'Forfacili-t tating the lifting of theshank a counter-weight 22 isAprovided which isk attachedto the latter by a flexible member such as aWire rope 251passing 66; over guide rollers 23, 24. if. n i-.TheknivesV1 are protected bye a lguard'cap. 26 provided rwith a broadenedfiange2'7V .whichA in the lowered'position of the cap shields'a portionof the receptacle4 adjoiningfjlthe'i knives. The guard cap 26 is'Yadjustably"connected: to two vertical posts 28 Yby meansoff'socketsisurround ing the posts vand provided. "with thumb screws.`The .posts 28. inlturny arev connectedftofthe base 75 of the thumbscrews the guard cap isadjustable in height relatively to the knives. Inthis manner the cap moves together with'the base 14 and the knives 1,when these parts are raised so 'that the knives areprotected by theguard cap in all positions of the same. The adjustable connectionbetween the posts and the cap is necessary for preventingthe flange 27from bearing on the re-A ceptacle when, as for reasons hereinafter ex-`plained, the diameter o f the knives is changed and vthe distancebetween the knives and the K bottom of the receptacle readjusted.

The protective casing 29` for the friction gear drive 12, y13` isprovided with an upper extension 30pin which the wheelv 13 during theraising operation travels. The screw 31 serves as an abutment for thebase 14, when this screw bears against the base in the lowermostpositionof the latter. vThis position is soV regulated by means of thescrew 31 that the wheels12, 13 of the fricsuicient pressure forproducing the exact amount of frictional engagement between these.wheels assuring a dependable operation of the drive under all practicalloads. rIn this manner 'the driv- 10D' ing Vmeans of the receptacle arerelieved from undue pressure. The distance of the 'knives' 1 from thebottom of the receptacle 4 is accurately f adjusted by means of thescrew 9'. This adjustment is changed every time afterthe knives have 105been sharpened withconsequent' alterations in the diameter thereof andalso in agreement with the readjustments of the screw 31 dueto wear onthe wheels 12, 13 or parts connected therewith.

The cutter head constituted bythe knives is 11' j meat from y A Yjprocessby blowing a'str'eam of cooling airthere-V adaptedto/act as aventilator forfpreventing the being heated during they chopping Thedescribed is-particularly adapted for -use in 'butcher shops and thelike for, chopping the meat in thewesence of the customers.

` Aiterthe kknivesai'e raised andV thedish-'shaped :tution when theotherfis o 1. In aA motor drivenmeat choppingmacrshine;`

inpcombination, a motorQ'a' drive Vshaftf'of said .v I claim,4

motor, a plurality ofcircular knives mounted on the end of saidmotorshaft, a rotatable detach- Vable receptacle forl the meat, 'drivingmeans diactuatedby saidfniotor and. operatively with said receptacle,meansl for ver, tically lifting said` motor `together 'with said iknives Vto a position adapting said receptacle to be `convenientlyY'removed from under' said rknivesfV moms with vsaid lifting means iforknivesekactlyto the same def-v Vsind'operai'.ivre relatively to saidrecep- 4' tacieQatvall stagesoiywear of saiddriving means ,s and saidknives,:va guard cap Iorisaidknives for o.

said knives in all positions of thefsame, an connection provided.between the'baseoi'said mtoinnd'said guardcap adapting" the tobegkeptlclear of said receptaclefin j allpositionsi'oi'fadjitmentoffthereceptacle. -1 v f `2; `In a' vmotorflirivextif.meat `chopping machine,

in-:f`combination', aL rliotorr,V a drive shaftr ot'the motoria base on.said motor, na lplurality yoi? cir- Y cularknivesmountedontheendoi'saidlmotor f shaftQ'a rotatable, detachable receptacle for themeat,v driving means directly actuated *byV said motor and.operativelyjconnected with said receptacle, a rack and gear driveconnected yto saidv Ybase of -sa'id motor for .lifting the. lattertogether with said knives lto aposition adapting said ref ceptacle tobefeonvenientlyv removed from under sadQknives', anadjustable stop io'rAsaid base fork maintaining said vin exact working engagement at allstages I,of wearvof saidmeans land relieving said means from undueAmotor loading and for locking said rack and gear drive in betweensaidreceptacle and' said knives in their operative position and 'in allconditionsl of vwear thereofat exactly-the' same length.

Vl'position,and meansfor verticallyadjusting said o receptacleiormaintaining the desired distance 3. Ina motor driven meat chopping 'o inVfcon'ibirnitionl,-Aa motor,-iadriveshaft vcof said I motor,-a'plurality of circular knives mounted oni Y theend oi. said motorshattjairotatable, detachable'receptacle for the meat, a friction drivedik rectly actuated by said `motor and 4operatively connected with :saidreceptacle, means for vertically lifting said motor together with saidknives adjustablefstopior the base ofsaid motor im' miiV to apositionadapting said receptaclev to becon` y L veniently removed from undersaid knives, kan

maintaining the. driving Yparts of 'said friction;

drive in exact vworking engagement. inail conditions of wear oiV said'parts and relieving said i parts from undue/motor loading, randmeanstoil s verticallyKV adjusting said receptacle for maim said recep-`taining thedesired distance vbetween tacle and vsaidknives in theiroperative position and at all stages oi wearthereoiat exactiythe samelength. Y i g I Y :5 A 'l `li'R/IliiDltICI-I AESCHZBACH.v

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